<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<img src="fchaaaa.jpg" alt="看不见我" >
<img src="../a.jpg" title="看什么看" width="100" height="100">
<img src="abc/b.jpg" width="50%">
<img src="https://cdn.tmooc.cn/bsfile//courseImg///5f791c0985cc4a67a5c4dca6627155b0.jpg">

</body>
</html>